X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/f29b38ef2a056daa14bbfda2fce78063faa773d4..4b258b0acb4f4f43d99a3eba7fd38ba40460b96d:/misc.h

diff --git a/misc.h b/misc.h
index a4a6db1..2ec625b 100644
--- a/misc.h
+++ b/misc.h
@@ -1,6 +1,7 @@
 #ifndef MISC_H
 #define MISC_H
 
+#include <functional>
 #include <xbt/log.h>
 
 /* Returns true if the given priority is enabled for the default
@@ -10,6 +11,20 @@
 #define LOG_ISENABLED(priority) \
     (_XBT_LOG_ISENABLEDV((*_XBT_LOGV(default)), (priority)))
 
+/* Returns c-string "s" if n > 1, empty string "" otherwise. */
+#define ESSE(n) ((n) > 1 ? misc::str_esse : misc::str_nil)
+namespace misc {
+
+    extern const char str_esse[];
+    extern const char str_nil[];
+
+    template <typename T>
+    struct address: public std::unary_function<T&, T*> {
+        T* operator()(T& ref) { return &ref; }
+    };
+
+}
+
 #endif // !MISC_H
 
 // Local variables: